Cutlery sharpener



FIG. 1 is a perspective view of a cutlery sharpener embodying my new design;

FIG. 2 is a top plan view thereof, the bottom being relatively plain and unadorned;

FIG. 3 is a side elevational view thereof, the opposite side being substantially identical thereto;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a cutlery sharpener, as shown and described. 